@misc{indiciaec73ddf1e0ee6,
  title = {Increased mortality among elderly patients undergoing cataract extraction.},
  author = {R P Hirsch and B Schwartz},
  year = {1983},
  doi = {10.1001/archopht.1983.01040020036004},
  url = {https://pubmed.ncbi.nlm.nih.gov/6870624/},
  note = {Source identifier: 6870624}
}